Category Archives: transmit

Hi, I’m David and this is my first post on the Milwaukee Makerspace site. I’m a video producer by trade, so you’ll be soon seeing some videos from some of my projects, however if you’re on the site you might have already seen some of my work. In late March I put together some videos of the Makers talking about what they make and what they think the Milwaukee Makerspace is.
Anyway, I didn’t even know what a Makerspace was myself till my friend Matt wrote me an e-mail and said, “If you want to walk the walk, come down to the Milwaukee Makerspace.” Needless to say I had no idea what that meant, but as soon as I stepped foot in our beautiful space with the warm welcoming logo above the hangar, I figured it out pretty quickly.
I have never done any robotics or electronics in my life, but seeing what the makers was up to inspired me. I picked up a soldering iron and started small. I’m the kind of Maker that works their way up to the big projects. Initially my ideas for projects mostly relate to my profession of video production. I would like to make a low to the ground camera platform, for wide angle shots, and a flying rig for some limited ariels. One thing at a time though, first I have to make something that works.

Introducing… JunkBot 1.0!!!

JunkBot 1.0 is my first attempt at what I want for a ground based camera platform. It sorta kinda does everything i want it to, but isn’t very robust. It’s functions are:

– Moves forward, back, turns using tank style steering
– Has a pan tilt camera mount
– Can wirelessly transmit video from the bot to a ground station
– Is controlled via a standard RC controller
– Falls apart slowly after about 15 feet of travel

My build process was:

1. Find plastic platform and half project box at the Makerspace “Hack Rack”
2. Get 2 continuous rotation servos & wheels. (Parallax servos sold at Adafruit)
3. Get an RC controller I am happy with (Futaba 7C 2.4ghz)
4. Get 2 servos and mounts for the pan tilt functions of the camera mount
5. Get 900mhz wireless video transmitter (RangeVideo)
6. Make front tire out of foam and a coat hanger
7. Strapped it all together with Velcro (TM).

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